CRH is one of the world's largest building materials and stone mining companies, with operations in 30 companies worldwide, producing products for all types of construction projects.

Formed in 1970 as a result of the merger of two major Irish mining companies, CRH now employs 79,200 people worldwide, whose products are used in numerous infrastructure products.

CRH’s products and materials include:

• Architectural products
  
  
• Glass and glazing systems
  
  
• Infrastructure products
  
  
• Construction accessories
  
  
• Network access products
  
  
• Aggregates
  
  
• Asphalt
  
  
• Cement
  
  
• Lime
  
  
• Concrete
  
  
• Paving and construction

Revenue (USD millions): 33,150

Website: https://www.crh.com/

Switzerland-based LafargeHolcim was formed in 2015 through the merger of Lafarge and Holcim. The new company employs 75,000 people at 2,300 manufacturing sites worldwide, including 663 crushed stone, gravel and sand mills.

LafargeHolcim provides carbon-neutral construction with global solutions like ECOPact and recycles waste to generate energy and raw materials.

LafargeHolcim’s products and services include:

• Cement
  
  
• Aggregates
  
  
• Ready-mix concrete
  
• Waste management
  
  
• Infrastructure solutions
  
  
• Building solutions

Revenue (USD millions): 29,026

Website: https://www.holcim.com/

Incorporated in Mexico in 1906, Cemex has offices in the Americas, the Caribbean, Europe, Africa, the Middle East and Asia. The company provides building materials and services to businesses and communities around the world, employs more than 40,000 people and operates 262 quarries.

Cemex's products are used in residential construction and landscaping, as well as agricultural, industrial and marine sectors.

Cemex’s products include:

• Cement
  
  
• Aggregates
  
  
• Neogem
  
  
• Ready-Mix Concrete
  
  
• Related Products

Revenue (USD millions): 13,130

Website:https://www.cemex.com/

Established in 1909, Vulcan Materials is one of the largest stone mining companies in the United States, producing aggregates such as crushed stone, sand and gravel, and aggregate-based building materials such as asphalt and ready-mixed concrete.

Headquartered in Birmingham, Alabama, Vulcan operates approximately 500 properties in the United States and operates quarries and offshore terminals in Mexico. The company's products are used in a variety of infrastructure projects including roads, bridges, ports, residential buildings, and industrial facilities.

Vulcan’s products and services include:

• Construction Aggregates
  
• Asphalt Paving Materials
  
  
• Ready-Mixed Concrete
  
  
• Railroad Ballast and Other Track Materials
  
  
• Agricultural, Chemical and Industrial Materials
  
  
• Recycled Materials
  
  
• Inert Materials Acceptance
  
  
• Technical Services

Revenue (USD millions): 4,929
Website: https://www.vulcanmaterials.com/

Established in 1993 and located in Raleigh, North Carolina, USA, Martin Marietta Aggregates is a quarry and mining company that supplies aggregates, cement, ready-mixed concrete and building materials.

Martin Marietta Aggregates operates throughout the United States, Canada, the Bahamas and the Caribbean and employs more than 8,500 people. Its products are widely used in environmental, industrial, agricultural and professional fields.

Martin Marietta’s products include:

• Aggregates
  
  
• Cement
  
  
• Cement Treated Materials
  
  
• Ready Mixed Concrete
  
  
• Asphalt
  
  
• Magnesia Chemicals and Lime

Revenue (USD millions): 4,739
Website: https://www.martinmarietta.com/

Tarmac, a CRH company since 2015, is one of the UK's leading stone mining companies and a provider of sustainable building materials and solutions. With more than 7,000 employees and 150 years of experience nationwide, Tarmac operates 120 quarries, 74 asphalt plants and 100 ready-mixed concrete plants.

Tarmac is also one of the UK's largest recyclers of building materials and one of the largest landowners.

Tarmac’s products include:

• Asphalt
  
  
• Aggregates
  
  
• Readymix
  
  
• Building Products
  
  
• Bulk Cement
  
  
• Packed Cement
  
  
• Lime
  
  
• Contracting
  
  
• Minimix
  
  
• Marine

Revenue (USD millions): 2,740*
Website: https://tarmac.com/

Minerals Technologies embarked its business in the United States in the 1840s when limestone and talc mining were discovered. Since then, it has grown into a global stone mining company with 3,600 employees, 158 manufacturing sites and 12 R&D centers in 35 countries.

Minerals Technologies manufactures specialty mineral, mineral and synthetic mineral products and related systems and services.

Minerals Technologies’ products and services include:

Performance materials

• Bentonite
  

• Chromite
  
  
• Leonardite

Specialty minerals

• PCCs
  

• Talcs
  
  
• GCCs
  
  
• Limestone

Refractories
Energy services

Revenue (USD millions): 1,791
Website:https://www.mineralstech.com/

Started as a family business in Belgium in 1860, Carmeuse has grown into a global supplier of materials and services operating in Europe, the Americas, Africa, the Middle East and Asia. The company offers lime and limestone products, as well as custom equipment and engineering solutions.

Carmeuse serves a variety of industries including steel manufacturing, road construction, construction site construction, and building materials manufacturing. Carmeuse operates 80 factories and 50 limestone quarries and employs 4,500 people worldwide.

Carmeuse’s products and services include:

• Iron & Steel
  
  
• Non-Ferrous
  
  
• Chemical
  
  
• PCC and Pulp & Paper
  
  
• Agriculture
  
  
• Glass & Ceramic
  
  
• Civil Engineering & Construction
  
  
• Building Material
  
  
• Flue Gs Treatment

Adbri Company, formerly known as Adelaide Brighton, is a cement manufacturer dating back to 1882. Today it is one of Australia's leading quarrying and stone quarrying companies with 160 factories and facilities across Australia. The portfolio includes a collection of 17 different brands producing building materials and industrial minerals.

Adbri’s products include:

• Cement
  
  
• Lime
  
  
• Concrete
  
  
• Aggregates
  
  
• Paving & Landscaping
  
  
• Bricks & Besser Blocks
  
  
• Industrial Minerals

Revenue (USD millions): 1,085
Website: https://www.adbri.com.au/

Situated in Dallas, Texas, Lime & Minerals operates in the stone and quarry markets for lime and limestone products in a variety of industries including construction, metallurgy, environmental, oil and gas, manufacturing and agriculture.

United States Lime & Minerals also owns a gas well in Texas. His stone quarrying business includes quarries, underground mines, factories, and distribution facilities serving the central United States.

US Lime’s products include:

• High Calcium Quicklime
  
  
• Hydrated Lime
  
  
• Lime Kiln Dust (LKD)
  
  
• Lime Slurry
  
  
• High Calcium Limestone

Revenue (USD millions): 158
Website: http://www.uslm.com/